﻿/*
 * MIT License
 *
 * Copyright (c) 2018 Clark Yang
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of 
 * this software and associated documentation files (the "Software"), to deal in 
 * the Software without restriction, including without limitation the rights to 
 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies 
 * of the Software, and to permit persons to whom the Software is furnished to do so, 
 * subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all 
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 
 * SOFTWARE.
 */

namespace Loxodon.Framework.Binding.Proxy.Sources
{
    public abstract class TypedSourceProxyFactory<T> : ISourceProxyFactory where T : SourceDescription
    {
        public virtual bool IsSupported(SourceDescription description)
        {
            if (!(description is T))
                return false;
            return true;
        }

        public ISourceProxy CreateProxy(object source, SourceDescription description)
        {
            if (!IsSupported(description))
                return null;

            ISourceProxy proxy = null;
            if (TryCreateProxy(source, (T)description, out proxy))
                return proxy;

            return proxy;
        }

        protected abstract bool TryCreateProxy(object source, T description, out ISourceProxy proxy);
    }
}
